Robert Stack: Email & Phone Number

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Private Citizen at IN TRANSITION|Rockville, Maryland, United States

Position:

Private Citizen at IN TRANSITION

Location:

Rockville, Maryland, United States

View Robert Stack's Email

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Last updated: 2026-10-23

Updated: 2026-10-23

Found email addresses for Robert Stack:

Business emails:

r****k@ipbtax.com,

r**********k@wilmerhale.com,

r**********k@treasury.gov

Personal emails:

r***********k@icloud.com,

r***********k@msn.com

Found phones for Robert Stack:

+1-520-***-**75,

+1-323-***-**70,

+1-480-***-**18

A different Robert Stack?

Work Experience 31 years

Private Citizen at IN TRANSITION

Jan 2017 - Current

Managing Director at Deloitte

Jun 2017 - Current

Deputy Assistant Secretary (International Tax Affairs) at U.S. Department of the Treasury

Mar 2013 - Current

Partner at Ivins, Phillips & Barker

Aug 2007 - Mar 2013

Partner at WILMER CUTLER PICKERING HALE AND DORR LLP

Jan 1995 - Jul 2007

Robert Stack started working in 1995, then the employee has changed 4 companies and 3 jobs. On average, Robert Stack works for one company for 10 years 2 months.

Education

MSFS at Georgetown University

Doctor of Law (J.D.) at Georgetown University Law Center

M.A. at New York University

Bachelor's degree at State University of New York at Albany

Frequently Asked Questions

What is Robert Stack's email address?

SignalHire found verified email addresses for Robert Stack, both business and personal. Their business email is r****k@ipbtax.com, and personal emails include r***********k@icloud.com, and r***********k@msn.com.

What is Robert Stack's phone number?

SignalHire found multiple verified phone numbers for Robert Stack: +1-520-***-**75, +1-323-***-**70, and +1-480-***-**18.

How do I contact Robert Stack at IN TRANSITION?

You can reach Robert Stack through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Robert Stack's professional background?

Robert Stack has 31 years of professional experience. They have held roles including Managing Director, Deputy Assistant Secretary (International Tax Affairs), and Partner at companies such as Deloitte, U.S. Department of the Treasury, and Ivins, Phillips & Barker. Their education includes MSFS from Georgetown University, and Doctor of Law (J.D.) from Georgetown University Law Center.

Is Robert Stack's contact information up to date?

Yes. Robert Stack's SignalHire profile was last updated on 23 October 2026, reflecting their current position as Private Citizen at IN TRANSITION.

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Robert Stack

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